/*  RESET  */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.25s ease, color 0.25s ease,
    border-color 0.25s ease;
}

/*  THEME VARIABLES  */

:root {
  --bg-color: #ffffff;
  --text-color: #222222;
  --card-bg: #f7f7f7;
  --card-border: #e5e5e5;
  --primary-btn: #0066ff;
  --primary-btn-text: #ffffff;

  --input-bg: #ffffff;
  --input-text: #222;
  --input-border: #c5c5c5;
  --shadow: rgba(0, 0, 0, 0.08);
  --danger-btn: #e53935;
}

.dark {
  --bg-color: #121212;
  --text-color: #f5f5f5;
  --card-bg: #1e1e1e;
  --card-border: #333;
  --primary-btn: #3b82f6;
  --primary-btn-text: #fff;

  --input-bg: #1e1e1e;
  --input-text: #f5f5f5;
  --input-border: #555;
  --shadow: rgba(255, 255, 255, 0.12);
  --danger-btn: #ef5350;
}

/*  GLOBAL LAYOUT  */

body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 30px;
  background: var(--bg-color);
  color: var(--text-color);
  font-family: system-ui, sans-serif;
}

/*   HEADER   */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-color);
}

#addRecipeBtn {
  background: var(--primary-btn);
  color: var(--primary-btn-text);
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 3px 8px var(--shadow);
  transition: 0.2s ease;
}

#addRecipeBtn:hover {
  opacity: 0.9;
  transform: translateY(-3px);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

#themeToggle {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 8px 12px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s ease;
  box-shadow: 0 2px 4px var(--shadow);
}

#themeToggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow);
}

/*  HERO SECTION   */

.hero {
  background: var(--card-bg);
  padding: 40px 30px;
  border-radius: 16px;
  box-shadow: 0 4px 12px var(--shadow);
  border: 1px solid var(--card-border);
  text-align: center;
  margin-bottom: 30px;
}

.hero h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero p {
  font-size: 15px;
  opacity: 0.8;
}

/*   SEARCH + FILTERS   */

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.controls input,
.controls select {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--input-text);
  font-size: 14px;
  min-width: 180px;
  box-shadow: 0 2px 4px var(--shadow);
}

/*  GRID OF CARDS  */

.grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/*  CARD UI (Modern)  */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 5px 12px var(--shadow);
  transition: 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px var(--shadow);
}

.card h3 {
  font-size: 21px;
  font-weight: 700;
}

.card p {
  font-size: 14px;
  opacity: 0.85;
  line-height: 1.45;
}

.card-footer {
  margin-top: auto;
}

.card-footer a {
  display: inline-block;
  margin-top: 12px;
}

.card-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 10px;
}

/*   FORMS   */

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 500px;
}

form input,
form textarea,
form select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--input-text);
}

form button {
  margin-top: 10px;
}

/*   TOAST NOTIFICATIONS   */

#toastContainer {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  padding: 12px 18px;
  border-radius: 6px;
  color: white;
  font-size: 14px;
  box-shadow: 0 2px 6px var(--shadow);
  opacity: 0;
  transform: translateY(-10px);
  animation: slideIn 0.35s forwards, fadeOut 0.4s ease 2.6s forwards;
}

.toast.success {
  background: #2e7d32;
}
.toast.error {
  background: #d32f2f;
}
.toast.warning {
  background: #ed6c02;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/*   DETAIL PAGE (Full Modern UI)   */

.detail-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 6px 18px var(--shadow);
  border: 1px solid var(--card-border);
  max-width: 800px;
  margin: 0 auto;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.detail-header h2 {
  font-size: 28px;
  font-weight: 800;
}

.badge {
  padding: 6px 12px;
  background: var(--primary-btn);
  color: var(--primary-btn-text);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

.detail-img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 12px;
  margin: 18px 0;
}

.detail-meta {
  margin-bottom: 20px;
  font-size: 15px;
}

.section {
  margin-bottom: 25px;
}

.section h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.section ul,
.section ol {
  padding-left: 22px;
  line-height: 1.6;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 25px;
}

.not-found {
  text-align: center;
  font-size: 18px;
  margin-top: 40px;
}

/*   FORM CARD   */

.form-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 6px 18px var(--shadow);
  border: 1px solid var(--card-border);
  max-width: 700px;
  margin: 0 auto;
}

form label {
  font-weight: 600;
  margin-bottom: 4px;
}

form input,
form textarea,
form select {
  margin-bottom: 6px;
}

form button {
  margin-top: 10px;
}

.helper-text {
  color: #777;
  font-size: 0.8rem;
  margin-bottom: 6px;
  display: block;
}

/*   BUTTONS (Unified Styling)   */

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
  border: none;
}

.btn-primary {
  background: var(--primary-btn);
  color: var(--primary-btn-text);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-danger {
  background: var(--danger-btn);
  color: #fff;
}

.btn-danger:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-light {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--card-border);
  padding: 8px 14px;
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 6px var(--shadow);
}

/*   FORM ERROR STYLES   */
.req {
  color: var(--text-color);
  font-weight: bold;
  margin-left: 3px;
}

.error-message {
  color: #e53e3e;
  font-size: 0.85rem;
  margin-top: 4px;
  display: flex;
  gap: 6px;
  align-items: center;
  animation: fadeIn 0.25s ease;
}

.input-error {
  box-shadow: 0 0 0 2px rgba(229, 62, 62, 0.3);
  border: 1px solid #e53e3e;
  animation: shake 0.25s ease;
  transition: 0.25s ease;
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-3px);
  }
  40% {
    transform: translateX(3px);
  }
  60% {
    transform: translateX(-3px);
  }
  80% {
    transform: translateX(3px);
  }
  100% {
    transform: translateX(0);
  }
}

.empty-message {
  text-align: center;
  font-size: 18px;
  margin-top: 40px;
  opacity: 0.75;
  color: var(--text-color);
  animation: fadeIn 0.3s ease-out;
}

.empty-emoji {
  font-size: 40px;
  display: block;
  margin-bottom: 10px;
  opacity: 0.9;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* FOOTER STYLES */
.app-footer {
  margin-top: 60px;
  padding: 25px 0;
  text-align: center;
  font-size: 0.95rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--card-bg);
  color: var(--text-primary);
}

.app-footer .footer-inner {
  max-width: 900px;
  margin: auto;
  opacity: 0.9;
}

.app-footer a {
  color: var(--accent-color);
  text-decoration: none;
  transition: 0.25s ease;
}

.app-footer a:hover {
  opacity: 0.7;
}

.footer-links {
  margin-top: 5px;
  font-size: 0.9rem;
}

#tagline {
  font-style: italic;
  font-family: "fancy", cursive;
  opacity: 0.85;
}